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Physics, 24.06.2021 17:10 kaitlynngrace15

Một ắc-quy có hiệu điện thế giữa hai cực là 12V được mắc vào hai bản phẳng bằng kim loại đặt song song như hình vẽ. Khoảng cách giữa hai bản d = 0,3 cm, đủ nhỏ để xem rằng điện trường giữa hai bản là đều. Độ lớn cường độ điện trường giữa hai bản phẳng bằng: A. 0,036 V/m B. 36 V/m
C. 4000 V/m D. 40000 V/m

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Một ắc-quy có hiệu điện thế giữa hai cực là 12V được mắc vào hai bản phẳng bằng kim loại đặt song so...
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